containing propositions for describing geometrically the catenaria, and the extradosses of all curves, so that their several parts and their piers may equilibrate : also concerning bridges, and the flying buttresses of cathedrals : to which are added, in illustration, sections of Trinity Church, Ely; King's College Chapel, Cambridge; Westminster Abbey; Salisbury, Ely, Lincoln, York, and Peterborough Cathedrals

shewing the principles of estimating their strength, proportions, expense, and annual produce, and the conditions which render them effective, economical, and durable

to which is added, a glossary of technical terms, used in civil engineering, explaining and illustrating every word in ordinary use; and the details of Hawthorne's celebrated locomotive engine, for the Paris and Versailles railway

with suggestions for its improvement, and notes upon various subjects connected with steam

their arrangement and construction

Referat an die Thurgauische gemeinnützige Gesellschaft /